jq is a lightweight and flexible command-line JSON processor.
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A simple JSON parser library for Processing
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Tempo is a tiny JSON rendering engine that enables you to craft data templates in pure HTML.
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Javascript template engine
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oEmbed is a format for allowing an embedded representation of a URL on third party sites. The simple API allows a website to display embedded content (such as photos or videos) when a user posts a link to that resource, without having to parse the resource directly.
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A tutorial on Processing + JSon
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